TCT hard alloy hole saw.
eBay
1PC Drill Bit Hole Opener Grinder Brazed Diamond Hole Drill Saw Core Bits For Marble Tiles Washbasin Hole Opener Diamond Drill
Aliexpress UK
With high hardness, good toughness, high concentricity characteristics. Quantity: 5pcs. The cutter body cuts a clean, burr-free hole faster than conventional twist drills or hole saws.
eBay
Square Hole Drill Fixed Bracket Square Hole Drill Bit Adapter Woodworking Hole Saw Mortising Chisel for Hand Electric Drill
Aliexpress UK
Description: AAA Grade diamond particles coated cutting tip offers sharp and efficient cutting.Nickel plated surface makes it more durable. Segmented design works better and lasts longer.Specifically for glass openings. Excellent results in tile.Cut holes smoothly, tidily, without broken edges and vibration phenomenon.Small incision resistance, increase the speed of cutting holes, easy to decorate and clean after grooving. Attentions: This glass hole saw needs to be used at a low speed, about 800-1000RPM.In order to prolong the life of this glass hole saw, please add coolant liquids or water when processing. Do not working without cooling.Please start your hole diagonally, make a round trace and then hold drill straight.
eBay
Damaly, Woodworking Hole Saw, Set Multifunctional Drill, Wood Plank Gypsum Board Artifact, Hole Opener, Hole Punch Reamer
Aliexpress UK
35mm Diamond Bevelling Chamfer Bits Milling Bit Enlarging Hole Saw Polishing M14. 6mm-125mm Dry Wet Diamond Drilling Core Bits M14 Porcelain Tile Hole Saw Cutter. Dry Diamond Drilling Core Bits 6mm-75mm Hole Saw Cutter for Ceramic Tile M14.
eBay
Energy Saving Lithium Saw Blade 4/5/5.5/6/6.5/7.25 Inch Energy Efficient Lithium Woodworking Cutting Disc Circular Saw Blade
Aliexpress UK
These hole saws are perfect for use in stainless steel, plastic, wood,cast iron and similar materials. Variable pitch - 4/6 T.P.I.
eBay
NEWONE 5-In-1 Power Tool Drill/Jig Saw/Reciprocating Saw/Oscillating Tool/Sander Combo Kit Makita 18V Battery NEWONE 20V Battery
Aliexpress UK
Diamond Holesaws 4mm to 100mm. Diamond dust hole saws are suitable for drilling ceramic tiles, glass, marble, slate and porcelain tiles up to hardness grade 5. Shank Length: 50mm. Can be Used with Core Bit Guide.
eBay
M14 M10 5/8-11'' Adapter Angle grinder Thread converter Adaptive Shaft connector Polished for diamond core drill bits Hole saw
Aliexpress UK
Designed to work for all wood projects especially suited for furniture making cabinetry and doweling where an exact hole is required. 6mm,10mm,12mm,13mm,14mm,16mm,18mm,19mm,20mm,22mm,24mm,26mm,28mm,30mm,32mm,35mm,36mm, 38mm.
eBay
FOCSTOL 12pcs Diamond Drill Bit 6/6/8/20/25/35/50/75/100mm Hole Saw 5 8 For Ceramic Porcelain Tile Granite Marble Milling Bit
Aliexpress UK
Attached arbor and pilot drill included. Effective drill depth hole cutter. Will cut holes in aluminum, copper, iron, stainless steel, zinc, pipes etc. M42 cuts more smoothly than other drill bits. Patent Pending tooth set design optimized to remove material faster.
eBay
5-130mm M14 Thread Dry Vacuum Brazed Marble Masonry Hole Saw Opener Diamond Drilling Core Bit For Ceramic Tile Granite Marble
Aliexpress UK